21895360

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 56

約数和(自身を含む): 53163216

約数和(自身を除く): 31267856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1291, 1696, 2120, 2582, 3392, 4240, 5164, 6455, 8480, 10328, 12910, 16960, 20656, 25820, 41312, 51640, 68423, 82624, 103280, 136846, 206560, 273692, 342115, 413120, 547384, 684230, 1094768, 1368460, 2189536, 2736920, 4379072, 5473840, 10947680, 21895360]

約数ペア:

[(1, 21895360), (2, 10947680), (4, 5473840), (5, 4379072), (8, 2736920), (10, 2189536), (16, 1368460), (20, 1094768), (32, 684230), (40, 547384), (53, 413120), (64, 342115), (80, 273692), (106, 206560), (160, 136846), (212, 103280), (265, 82624), (320, 68423), (424, 51640), (530, 41312), (848, 25820), (1060, 20656), (1291, 16960), (1696, 12910), (2120, 10328), (2582, 8480), (3392, 6455), (4240, 5164)]